i had a look at your store, you need a store email not @outlook does not look professional
you need to include in your tabs, faqs,tracking,about us,contact, legal pages should be at footer of page, product descriptions must be more appealing, too much going on on product page.
Everything falls down to Marketing and Sales, you need to know how to drive traffic to your store, you need to know the platform you are using to drive traffic, and you need to know your audience and what products fits them.
Your store must also be optimized and set into a funnel to make continue conversions.
If you need anymore help,and you are still struggling to make profit with e-commerce, for 5 years now I am helping many eCommerce stores to success. book a free one on one session with me here: https://calendly.com/sharlonbilly/freecall/